Top world athletes fine-tuning preparation for Olympic medals

Top athletes around the world are fine-tuning their preparations. They're all hoping to give their best ever performances in Beijing.

World 100 and 200 meters champion Tyson Gay's dream of an Olympics sprint double ended in pain when he crashed out of the US 200 meters trials on July the 5th, with a strained leg muscle. Aside from the relays, Gay will only run in the 100 meters. He said he'll be emotional at the Games because it's the world's most important sports.

South Koreans have dominated taekwondo for years. The
coach of South Korea's national taekwondo team says his
athletes are well-prepared for the Summer Games. Their
goal, he said, is to win four gold medals.

South Koreans have dominated taekwondo for years. But the martial art form has become so popular across the world, that skilled fighters are emerging from many different countries. The coach of South Korea's national taekwondo team says his athletes are well-prepared for the Summer Games. Their goal, he said, is to win four gold medals.